/*
 * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.oracle.svm.core.graal.nodes;

import org.graalvm.compiler.graph.NodeClass;
import org.graalvm.compiler.nodeinfo.NodeInfo;
import org.graalvm.compiler.nodes.ConstantNode;
import org.graalvm.compiler.nodes.FrameState;
import org.graalvm.compiler.nodes.java.NewInstanceNode;
import org.graalvm.compiler.nodes.virtual.VirtualInstanceNode;

import com.oracle.svm.core.meta.SharedType;

import jdk.vm.ci.meta.ResolvedJavaField;
import jdk.vm.ci.meta.ResolvedJavaType;

@NodeInfo
public class SubstrateNewInstanceNode extends NewInstanceNode {
    public static final NodeClass<SubstrateNewInstanceNode> TYPE = NodeClass.create(SubstrateNewInstanceNode.class);

    public SubstrateNewInstanceNode(ResolvedJavaType type, boolean fillContents) {
        this(type, fillContents, null);
    }

    public SubstrateNewInstanceNode(ResolvedJavaType type, boolean fillContents, FrameState stateBefore) {
        super(TYPE, type, fillContents, stateBefore);
    }

    @Override
    protected VirtualInstanceNode createVirtualInstanceNode(boolean hasIdentity) {
        return new SubstrateVirtualInstanceNode(instanceClass(), hasIdentity);
    }

    @Override
    protected ConstantNode defaultFieldValue(ResolvedJavaField field) {
        /*
         * Fields that have a Word type need to get the primitive 0 initial value during escape
         * analysis, not the Object null.
         */
        return ConstantNode.defaultForKind(((SharedType) field.getType()).getStorageKind(), graph());
    }
}
